These are required to know the cross section area of the fastener and to know the strength of the steel. Actual weight values may vary from those provided here and, though we try to make the values as accurate as possible, portland bolt makes no claims about accuracy and accepts no liability. The bolted joint is among the most common joining methods other common joining methods include riveting, welding, press fits, pins, keys, and adhesives. Download structural analysis software mitcalc bolted connections 1. Bolt calculation 3d animation with blender 3d english. When the bolt is subjected to shear load, also use a dowel pin. Both lateral single and double shear and withdrawal capacities can be determined. The bearing yield strength can typically by estimated as 1. Woodtowood, woodtoconcrete, and woodtosteel connections are possible. The values provided by this calculator are for estimation purposes only. Quick input quick input provides input of all data in only one dialogue window.
Bolt science has a great deal of experience in solving bolting problems. Api flange bolt torque calculator for tension as a % of. Bartonicek2 1 amtec services, lauffen, germany email. This guideline represents a frequently used method for the verification of different criteria such as static and dynamic strength or safety against gliding. In the table above, dnom is the bolt nominal diameter, tp is the part thickness, fs. Updated 34 thdss tension steel strength value, nsa. Bolt load calculator an easy to use online tool from riverhawk. Flange strength calculation structural engineering. Jan 23, 2015 a look at bolt lug strength january 23, 2015 2. D bolt diameter in inches l length in inches of the bolt embedded in grout does not include the portion of the bolt that is wrapped with tape or inside a bolt sleeve. This is not the case with ultrahighstrength fasteners and 160ksi titanium fasteners.
Boltcalc bolted joint analysis software bolt science. Bolt load calculator an easy to use online tool from. Takes the complexity out of bolt tightening calculation. This software check for bolt failure under various load conditions. Inputting four calculation variables allows the app to determine. Provides users with a webbased approach to calculating capacities for single bolts, nails, lag screws and wood screws per the 2015 nds. It is not unusual to increase bolt size because the torque tightening method cannot guarentee a minimum preload. If you are calculating the stress on a threaded section of bolt, you will need to specify the number of threads per inch below.
Use no comma enter 105000 for b7l7 standard bolting. Bolt strength calculator bolt preload calculation cad. Added a table in section 1 of calculation output showing user input load values. Threaded fasteners are removable fasteners that exert and maintain large axial forces clamping force through the use of an inclined plane. The tension resistance of the bolt f t,rd is provided in en199318 table 3. The calculator is generic an can used for imperial and metric units as long as the use of units are consistent. Mar 10, 2020 bolt length calculation tekla structures uses values from the bolt catalog and the bolt assembly catalog when calculating the bolt length. So, by putting all the values in d14, we get the pullout strength of the anchor group as.
A bolt that failed in a tension test the most robust bolt for tensile loading is one made of a material that has a proportional limit that is no more than about 70% of its ultimate strength, such as 160ksi a286 f ty 120 ksi, proportional limit. Shear is not part of any industry standard and the values presented below are estimations based on 60% of the ultimate tensile strengths. Thread yield and tensile strength equation and calculator. You do not specify if the fastener is unc or unf nor do you specify the grade of the fastener. Calculation of bolts according to vdi 2230 mdesign bolt. Updated ethp metric bond strength in accordance with icces esr3372, dated 22018. Flange strength calculation structural engineering general. If you would like to specify multiple lengths and tensile stress areas. Force calculations for bolted joints machine design. Jun 11, 2009 in this session, i would like to show you calculations involved in designing a bolt. Fastenal has made every attempt to ensure the information presented is.
In this session, i would like to show you calculations involved in designing a bolt. Our recommended bolt loads for standard joints are derived from independently verified calculation methods and traceable back to standards. Added strongbolt 2 data in the soffit of metal deck with 3 78 wide flutes in accordance with icces esr3037, dated may 2017. Ability to calculate single anchor model or to calculate multiple anchor models at once.
The primary components of a bolted joint include the threaded fastener as well as the parts to be joined together the clamped parts. Added larger sizes of heavy hex bolt up to 4 inches in diameter. The number of thread pitch if only required if you are calculating the bolt load stress on a threaded section of bolt. Idms integrity data management system the complete package for managing bolted joints from cradle to grave. We complete consultancy assignments, provide test services, write and sell specialist software and run training courses for engineers. See the reference section for details on the methodology and the equations used. F axial bolt force or load n, lb torque reduction due to lubrication % note that standard dry torques are normally calculated to produce a tensile stress or axial force or clamp load in the bolt that equals to 70% of minimum tensile strength or 75% of proof strength. The program uses lower bound, empirically derived values for the fatigue endurance strength. All other considerations such as weight, finish, eye appeal and other cosmetics are secondary. In the next part part4 of the foundation anchor bolt design calculation example, we will discuss about calculating the concrete blow out strength in tension. Thread shear is an important failure mode for a bolted joint, and occurs when the threads shear off of either the bolt external thread shear or off of the nut or tapped part internal thread shear. You can provide the following project data as page header. Technical datastrength of bolts, screw plugs, and dowel pins technical datacalculation of cubic volume and material physical properties bolt fatigue strengthfor threads. Table of design properties for metric steel bolts m5 to.
Our clients include many of the major engineering organizations of the world. With the ansi standard set, the calculation is performed in english units, with corresponding bolt dimensions also included. This userfriendly, nocost tool will provide you with a recommended solon torque calculation and help further assist you with your solon belleville spring and washer selections. Informate our advanced calculation and procedure software. Bolt science providing solutions to bolting problems. See the instructions within the documentation for more details on performing this analysis. If you think that we may be able to assist you, whether it be via consultancy, or the provision of software, test services or. Design aid table of design properties for individual metric hexagonal bolts including stress area, yield strength, ultimate strength, shear resistance, tensile. The software can be used anywhere in the world and on any device, be it a smart mobile phone, tablet or desktop computer providing there is an internet connection. The calculation is carried out in metric or english units.
An introduction to the analysis and design of bolted connections. Bolt calculation software free download bolt calculation. The basis of our business is solving bolting problems. To download boltup, or for a free 7 day trial of the informate bolt load calculation software go to. Flange strength calculation flange strength calculation steveyb petroleum op 18 jul 11. Use to determine torque, bolt load and percent yield of maximum load of bolts. Anchor designer can calculate single anchor solutions or up to 16 anchors in a single plate. The program will calculate the alternating stress in the thread of the bolt, based upon the forces entered and the characteristics of the joint. The bolted joint analysis calculator allows for stress analysis of a bolted joint, accounting for preload, applied axial load, and applied shear load.
The calculator below can be used to calculate the torque required to achieve a given axial bolt force or load. Here, the library includes a wide variety of tools for bolt calculation depending. Today, hydratight has the most comprehensive suite of joint integrity software available. Risabase is a handy application that is designed to help structural engineers to analyze the behavior of complex base plate and anchor bolt models.
Download mitcalc bolt connection accurately perform prestressed bolt connectionrelated calculation with the help of this userfriendly, excelbased piece of software. F is just a tensile stressforce along the axis of the ubolt, and this is reacted by radial forces, and friction, around the contact half of the pin and ubolt. Since shear strength is directly related to the net sectional area i. To take full advantage of strength properties the shank of the bolt body should be. Risabase base plate and anchor bolt design software. They can be solid concrete or tubular steel depending upon application. The bolted joint works by inducing an initial clamping. From the table at right, for a strength class of 10. Based on this idea, we will see two sites one is about bolt strength calculation software and other one about bolt preload design. Increased embedment depth limit of heavy hex bolt and j or lbolt to 45 inches. If you would like to specify multiple lengths and tensile stress areas, you can specify up to 10 below. All action designers are concerned primarily with producing a safe and functional product. The main subject of the oneday training is the application of kisssoft for the bolt calculation according to the vdi 2230 guideline.
The number and size of bolts needs to be specified as well as the diameter of the bolt circle. Calculation basis sr1 software calculates, in accordance with vdi 2230, highstress bolted joints with concentric or eccentric strain and load. Fastener, bolt and screw design torque and force calculations. The current method we use is fea to check the flange strength as baretired as already mentioned, but this can be quite a tedious an long winded method. Bolt strength calculator bolt preload calculation cadcam. Doubleriveted lapjoint with inside cover plate formulas and calculator for stress and strength design loading capacities of ordinary bolts per.
Mar 16, 2020 the realtime design is visually represented in a fullyinteractive 3d graphic user interface, supports imperial and metricsized simpson strongtie mechanical and adhesive anchors, and offers castinplace solutions. Concrete anchor foundation bolt design calculations with. An introduction to the analysis and design of bolted. Then its a shear calculation based on the tensile strength. Bolt calculation software free download bolt calculation top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. Boltup is hydratights simple to use web based calculator, built upon the informate calculation engine, providing reliable, repeatable bolt loads. If you would like to specify multiple lengths and tensile stress areas, you can. If the bolt catalog does not contain long enough bolts for your purposes, you need to add them to the bolt catalog. See barrett for more details on estimates of bearing allowables. The calculation makes enables graphical representation of loadextension diagrams and scale drawings. Previous designs from existing simpson strongtie anchor design software may be uploaded into anchor designer, and the detailed output is provided in convenient pdf format. Basic calculation of bolted connection inventor autodesk. Singleriveted lapjoint with inside cover plate formulas and calculator for stress and strength design.
The program will calculate the fatigue strength of the bolt material, based upon the users selection as to whether the bolt thread was rolled or machine cut. Therefore we select a 10 mm msb10 with a m8 thread section. Bolted joints are often tightened to 75% to 80% of bolt proof load. Digitool creates user friendly, intuitive calculation software for design engineers, whilst making use of technology to improve accessibility. Ez calc uses the mechanical engineering short formula see below and other estimating techniques, which can be subjective. The following values are required as inputs to the calculation. Oct 01, 2011 so, by putting all the values in d14, we get the pullout strength of the anchor group as. Concrete piles normally support very large vertical compression loads and are installedmanufactured by digging a hole in the ground into which a pre. There should be enough engagement between the bolt threads and internal threads that the bolt fails in tension before the threads shear. Use the marketleading digital tool for efficient bolt calculation in accordance with accepted engineering practices, mdesign bolt. Use our new torque calculator web tool below to determine a calculated torque value based on inputs relative to bolt type, size, lubricantcondition and load. This amount of tightening, a rule of thumb, is suitable for.
Make sure that the selected file is appropriate for this calculation. If youre looking for the next big thing, futek has a library of over 100 new and innovative ideas to incorporate its load cells, torque sensors, pressure sensors, and multiaxis sensors. Tentec bolt tightening software bts bts software predicts the bolt tightness load path individual flange documents. May 30, 2019 download mitcalc bolt connection accurately perform prestressed bolt connectionrelated calculation with the help of this userfriendly, excelbased piece of software. Solon manufacturings resource library is filled with highquality industrial pressure switch and belleville spring product information. As the number of automaker recalls due to software issues are increasing and gaining widespread. Fastener, bolt and screw design torque and force calculation.
Mitcalc bolted connections is designed for a geometrical design and strength check of a prestressed bolt connection, loaded by static or cyclic loading resp. Ez calc bolting calculator, enerteqs oline tool for estimating required torque values. Bolt strength calculation for lifting engineeringclicks. Table of design properties for metric steel bolts m5 to m39. Dimension bolt connections with maximum safety and reduce the calculation times for the execution of complex strength verifications. I realise the strength of the flanges will increase from the combined stiffness of the bolt and adjacent flange, but generally i have no control over the mating flange. Bolt yield strength psi enter bolt material yield strength in psi. Tightness factor with a prestressed bolted connection, the distance between materials is undesirable. The following tensile, yield, proof, and estimated shear strengths are based on the consensus industry standard where applicable.
855 443 1170 628 46 1142 1380 1357 189 1468 1543 1343 384 326 65 243 382 814 1243 1362 39 109 925 324 1130 461 1270 962 821